EP3526979A4 - Method and apparatus for output signal equalization between microphones - Google Patents
Method and apparatus for output signal equalization between microphones Download PDFInfo
- Publication number
- EP3526979A4 EP3526979A4 EP17860864.2A EP17860864A EP3526979A4 EP 3526979 A4 EP3526979 A4 EP 3526979A4 EP 17860864 A EP17860864 A EP 17860864A EP 3526979 A4 EP3526979 A4 EP 3526979A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- microphones
- output signal
- signal equalization
- equalization
- output
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R29/00—Monitoring arrangements; Testing arrangements
- H04R29/004—Monitoring arrangements; Testing arrangements for microphones
- H04R29/005—Microphone arrays
- H04R29/006—Microphone matching
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
- H04R3/04—Circuits for transducers, loudspeakers or microphones for correcting frequency response
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2430/00—Signal processing covered by H04R, not provided for in its groups
- H04R2430/03—Synergistic effects of band splitting and sub-band processing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
- H04R2499/10—General applications
- H04R2499/11—Transducers incorporated or for use in hand-held devices, e.g. mobile phones, PDA's, camera's
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
- H04R3/005—Circuits for transducers, loudspeakers or microphones for combining the signals of two or more microphones
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Circuit For Audible Band Transducer (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15/294,304 US9813833B1 (en) | 2016-10-14 | 2016-10-14 | Method and apparatus for output signal equalization between microphones |
PCT/FI2017/050703 WO2018069572A1 (en) | 2016-10-14 | 2017-10-06 | Method and apparatus for output signal equalization between microphones |
Publications (3)
Publication Number | Publication Date |
---|---|
EP3526979A1 EP3526979A1 (en) | 2019-08-21 |
EP3526979A4 true EP3526979A4 (en) | 2020-06-24 |
EP3526979B1 EP3526979B1 (en) | 2024-04-10 |
Family
ID=60189817
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17860864.2A Active EP3526979B1 (en) | 2016-10-14 | 2017-10-06 | Method and apparatus for output signal equalization between microphones |
Country Status (4)
Country | Link |
---|---|
US (1) | US9813833B1 (en) |
EP (1) | EP3526979B1 (en) |
CN (1) | CN109845288B (en) |
WO (1) | WO2018069572A1 (en) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11528556B2 (en) * | 2016-10-14 | 2022-12-13 | Nokia Technologies Oy | Method and apparatus for output signal equalization between microphones |
CN108076219B (en) * | 2017-11-28 | 2021-02-26 | Oppo广东移动通信有限公司 | Mobile terminal, method for optimizing audio performance of mobile terminal, and computer-readable storage medium |
CN109121035B (en) * | 2018-08-30 | 2020-10-09 | 歌尔科技有限公司 | Earphone exception handling method, earphone, system and storage medium |
US11902758B2 (en) | 2018-12-21 | 2024-02-13 | Gn Audio A/S | Method of compensating a processed audio signal |
EP3764664A1 (en) * | 2019-07-10 | 2021-01-13 | Analog Devices International Unlimited Company | Signal processing methods and systems for beam forming with microphone tolerance compensation |
EP3764358B1 (en) * | 2019-07-10 | 2024-05-22 | Analog Devices International Unlimited Company | Signal processing methods and systems for beam forming with wind buffeting protection |
EP3764360B1 (en) * | 2019-07-10 | 2024-05-01 | Analog Devices International Unlimited Company | Signal processing methods and systems for beam forming with improved signal to noise ratio |
EP3764359B1 (en) | 2019-07-10 | 2024-08-28 | Analog Devices International Unlimited Company | Signal processing methods and systems for multi-focus beam-forming |
EP3764660B1 (en) | 2019-07-10 | 2023-08-30 | Analog Devices International Unlimited Company | Signal processing methods and systems for adaptive beam forming |
DE102020208720B4 (en) * | 2019-12-06 | 2023-10-05 | Sivantos Pte. Ltd. | Method for operating a hearing system depending on the environment |
CN113286244B (en) * | 2021-05-12 | 2022-08-26 | 展讯通信(上海)有限公司 | Microphone anomaly detection method and device |
TWI781714B (en) * | 2021-08-05 | 2022-10-21 | 晶豪科技股份有限公司 | Method for equalizing input signal to generate equalizer output signal and parametric equalizer |
DE102022210755A1 (en) * | 2021-10-14 | 2023-04-20 | Skyworks Solutions, Inc. | ELECTRONIC ACOUSTIC DEVICES, MEMS MICROPHONES AND EQUALIZATION METHODS |
CN114205731B (en) * | 2021-12-08 | 2023-12-26 | 随锐科技集团股份有限公司 | Speaker area detection method, speaker area detection device, electronic equipment and storage medium |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20020041696A1 (en) * | 2000-10-04 | 2002-04-11 | Topholm & Westermann Aps | Hearing aid with adaptive matching of input transducers |
US20090136057A1 (en) * | 2007-08-22 | 2009-05-28 | Step Labs Inc. | Automated Sensor Signal Matching |
US20150030164A1 (en) * | 2013-07-26 | 2015-01-29 | Analog Devices, Inc. | Microphone calibration |
US20150049583A1 (en) * | 2012-03-23 | 2015-02-19 | Dolby Laboratories Licensing Corporation | Conferencing Device Self Test |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7162046B2 (en) * | 1998-05-04 | 2007-01-09 | Schwartz Stephen R | Microphone-tailored equalizing system |
JP2002540696A (en) * | 1999-03-19 | 2002-11-26 | シーメンス アクチエンゲゼルシヤフト | Method for receiving and processing audio signals in a noisy environment |
EP2458586A1 (en) | 2010-11-24 | 2012-05-30 | Koninklijke Philips Electronics N.V. | System and method for producing an audio signal |
JP5594133B2 (en) | 2010-12-28 | 2014-09-24 | ソニー株式会社 | Audio signal processing apparatus, audio signal processing method, and program |
US9241228B2 (en) | 2011-12-29 | 2016-01-19 | Stmicroelectronics Asia Pacific Pte. Ltd. | Adaptive self-calibration of small microphone array by soundfield approximation and frequency domain magnitude equalization |
CN104704560B (en) | 2012-09-04 | 2018-06-05 | 纽昂斯通讯公司 | The voice signals enhancement that formant relies on |
US20140126743A1 (en) * | 2012-11-05 | 2014-05-08 | Aliphcom, Inc. | Acoustic voice activity detection (avad) for electronic systems |
US9515629B2 (en) | 2013-05-16 | 2016-12-06 | Apple Inc. | Adaptive audio equalization for personal listening devices |
EP2819429B1 (en) * | 2013-06-28 | 2016-06-22 | GN Netcom A/S | A headset having a microphone |
US10659889B2 (en) * | 2013-11-08 | 2020-05-19 | Infineon Technologies Ag | Microphone package and method for generating a microphone signal |
EP2884491A1 (en) * | 2013-12-11 | 2015-06-17 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Extraction of reverberant sound using microphone arrays |
US9654874B2 (en) * | 2013-12-16 | 2017-05-16 | Qualcomm Incorporated | Systems and methods for feedback detection |
US9363598B1 (en) | 2014-02-10 | 2016-06-07 | Amazon Technologies, Inc. | Adaptive microphone array compensation |
JP6361271B2 (en) | 2014-05-09 | 2018-07-25 | 富士通株式会社 | Speech enhancement device, speech enhancement method, and computer program for speech enhancement |
US9462406B2 (en) * | 2014-07-17 | 2016-10-04 | Nokia Technologies Oy | Method and apparatus for facilitating spatial audio capture with multiple devices |
WO2016154150A1 (en) * | 2015-03-25 | 2016-09-29 | Dolby Laboratories Licensing Corporation | Sub-band mixing of multiple microphones |
US9401158B1 (en) * | 2015-09-14 | 2016-07-26 | Knowles Electronics, Llc | Microphone signal fusion |
-
2016
- 2016-10-14 US US15/294,304 patent/US9813833B1/en active Active
-
2017
- 2017-10-06 EP EP17860864.2A patent/EP3526979B1/en active Active
- 2017-10-06 CN CN201780063490.1A patent/CN109845288B/en active Active
- 2017-10-06 WO PCT/FI2017/050703 patent/WO2018069572A1/en unknown
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20020041696A1 (en) * | 2000-10-04 | 2002-04-11 | Topholm & Westermann Aps | Hearing aid with adaptive matching of input transducers |
US20090136057A1 (en) * | 2007-08-22 | 2009-05-28 | Step Labs Inc. | Automated Sensor Signal Matching |
US20150049583A1 (en) * | 2012-03-23 | 2015-02-19 | Dolby Laboratories Licensing Corporation | Conferencing Device Self Test |
US20150030164A1 (en) * | 2013-07-26 | 2015-01-29 | Analog Devices, Inc. | Microphone calibration |
Also Published As
Publication number | Publication date |
---|---|
EP3526979A1 (en) | 2019-08-21 |
WO2018069572A1 (en) | 2018-04-19 |
EP3526979B1 (en) | 2024-04-10 |
US9813833B1 (en) | 2017-11-07 |
CN109845288A (en) | 2019-06-04 |
CN109845288B (en) | 2021-06-25 |
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